Create validate-json.yml

[Callmore]

well i did it now so it's a PR

[github-actions]

JSON and YAML Validation Results

JSON Validation Results

• ✅ File(s) Passed: 10
• ❌ File(s) Failed: 7
• ⏭️ File(s) Skipped: 0

Violations:

[
  {
    "file": "landing.json",
    "errors": [
      {
        "path": null,
        "message": "Invalid JSON"
      }
    ]
  },
  {
    "file": "graphics/line.json",
    "errors": [
      {
        "path": null,
        "message": "Invalid JSON"
      }
    ]
  },
  {
    "file": "math/atan2.json",
    "errors": [
      {
        "path": null,
        "message": "Invalid JSON"
      }
    ]
  },
  {
    "file": "math/max.json",
    "errors": [
      {
        "path": null,
        "message": "Invalid JSON"
      }
    ]
  },
  {
    "file": "math/min.json",
    "errors": [
      {
        "path": null,
        "message": "Invalid JSON"
      }
    ]
  },
  {
    "file": "topics/graphics.json",
    "errors": [
      {
        "path": null,
        "message": "Invalid JSON"
      }
    ]
  },
  {
    "file": "topics/math.json",
    "errors": [
      {
        "path": null,
        "message": "Invalid JSON"
      }
    ]
  }
]

[Callmore]

huh
works well huh...